Home / 23,320.80-34,989.30-10,177.20

Finding the Fourth Proportional to 23,320.80, 34,989.30 and 10,177.20

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Solution

The fourth proportional to 23,320.80, 34,989.30 and 10,177.20 is: 15,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.80 : 34,989.30 = 10,177.20 : x
  2. Step 2: Convert to fraction form
    23,320.80/34,989.30 = 10,177.20/x
  3. Step 3: Cross multiply
    23,320.80x = 34,989.30 × 10,177.20
  4. Step 4: Simplify right side
    23,320.80x = 356,093,103.96
  5. Step 5: Solve for x
    x = 356,093,103.96/23,320.80
  6. Step 6: Final answer
    x = 15,269.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.